import java.util.ArrayList;
import java.util.Collections;
import java.util.Random;

public class Text1 {
    public static void main(String[] args) {
        /*
        班里有N个学生,实现随机点名
        */
        ArrayList<String> list=new ArrayList<>();
        Collections.addAll(list,"张坤地","张天宇","潭淏","杨坤伦","付林立");
        //Random r=new Random();
        //int index=r.nextInt(list.size());
        //System.out.println(list.get(index));
        Collections.shuffle(list);
        System.out.println(list.get(0));
    }
}
